Q. I’ve heard drinking cranberry juice can help prevent and treat urinary tract infections. Is this true? If so, how does it work?

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A. Diane L. McKay, PhD, assistant professor at Tufts University School of Medicine, answers: “Cranberries are a good source of proanthocyanidins (PACs), plant compounds that may inhibit the ability of harmful bacteria to attach to the wall of the urinary tract. The presence of these PACs has led to a lot of research into the […]
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